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Doctor's Best

1 product scored · 3 video reviews · Vitamins & Wellness

FR Score 8.7 out of 10, ExcellentAverage
FR Score

Doctor's Best is a dietary supplement company founded in 1990 that describes itself as physician-founded and science-based; its parent company names Ken Halvorsrude and James Braly as the founders. Doctor's Best, Inc. is headquartered in Tustin, California, and has been owned since January 2015 by Kingdomway Group of Xiamen, China.

The brand is known for a broad catalog of vitamins, minerals and specialty supplements, many made with branded ingredients, including its High Absorption Magnesium line made with TRAACS chelated magnesium. Kingdomway says the range spans more than 240 products sold in over 120 countries. In the U.S., Doctor's Best sells through retailers and online, and orders placed on its own website are fulfilled by iHerb. The company says it works with co-manufacturers around the world and uses cGMP-certified facilities, and its site highlights third-party testing.

Testing & quality

Doctor's Best says it uses cGMP-certified manufacturing facilities and displays third-party-tested and potency badges on its site; it has described testing from raw materials to finished product. No NSF Certified for Sport listing was found.

From Doctor's Best’s published policies and the certifiers’ public listings.

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Video reviews

Doctor's Best on video